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2026-06-18 - 08:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Jun 18, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22455214887,6sleep10-21swapper/119:08:401
22422212664,7sleep00-21swapper/019:08:150
22388212072,7sleep20-21swapper/219:07:492
223072112102,7sleep30-21swapper/319:06:463
152332770,0sleep20-21swapper/221:25:002
280792690,1sleep10-21swapper/100:00:131
114292580,0sleep10-21swapper/122:15:221
192992570,0sleep00-21swapper/021:55:180
67852560,0sleep30-21swapper/319:50:183
132312550,0sleep20-21swapper/222:20:142
2272999280,27cyclictest0-21swapper/123:35:561
2272999280,27cyclictest0-21swapper/123:31:021
2272999280,27cyclictest0-21swapper/122:24:311
2273499270,26cyclictest0-21swapper/222:14:012
2273499270,26cyclictest0-21swapper/221:12:212
2273499270,26cyclictest0-21swapper/219:33:142
2272999270,26cyclictest0-21swapper/122:52:251
2272999270,26cyclictest0-21swapper/122:29:371
2272999270,26cyclictest0-21swapper/122:09:281
2272999270,26cyclictest0-21swapper/121:56:311
2272999270,26cyclictest0-21swapper/121:34:191
2272999270,26cyclictest0-21swapper/121:02:421
2272999270,26cyclictest0-21swapper/120:52:391
2272999270,26cyclictest0-21swapper/120:27:031
2272999270,26cyclictest0-21swapper/100:32:511
2272499270,26cyclictest0-21swapper/021:11:540
2273499260,25cyclictest0-21swapper/222:52:552
2272999260,25cyclictest0-21swapper/120:57:501
2272999260,25cyclictest0-21swapper/120:09:001
2272999250,24cyclictest0-21swapper/123:24:201
2272999250,24cyclictest0-21swapper/122:35:461
280302240,1sleep128036-21needreboot22:30:191
22729992422,2cyclictest0-21swapper/123:01:171
2273499239,13cyclictest0-21swapper/221:05:212
22734992321,2cyclictest0-21swapper/219:23:102
2273499231,21cyclictest0-21swapper/220:33:082
2273499230,22cyclictest0-21swapper/219:47:362
2273499230,22cyclictest0-21swapper/219:47:352
22729992320,3cyclictest0-21swapper/123:48:441
2273499222,18cyclictest0-21swapper/220:53:162
2273499221,3cyclictest0-21swapper/223:46:502
2273499221,20cyclictest0-21swapper/223:16:002
2273499220,5cyclictest0-21swapper/221:45:012
2273499220,21cyclictest0-21swapper/220:44:182
2273499220,21cyclictest0-21swapper/220:39:332
2272999228,8cyclictest0-21swapper/122:45:211
2272999227,14cyclictest0-21swapper/120:15:201
2272999220,21cyclictest0-21swapper/123:51:261
2272999220,21cyclictest0-21swapper/123:41:091
2272999220,21cyclictest0-21swapper/122:12:131
2272999220,21cyclictest0-21swapper/122:01:131
2272999220,21cyclictest0-21swapper/120:01:391
2272999220,21cyclictest0-21swapper/119:58:211
2272999220,21cyclictest0-21swapper/119:42:441
2272999220,20cyclictest14075-21/usr/sbin/munin19:25:201
2272499220,21cyclictest0-21swapper/023:24:370
2272499220,21cyclictest0-21swapper/020:03:410
2273499215,2cyclictest280-21systemd-journal21:55:002
22734992117,2cyclictest749-21snmpd19:36:452
2273499210,2cyclictest0-21swapper/222:17:012
2273499210,2cyclictest0-21swapper/220:08:262
2273499210,20cyclictest0-21swapper/223:06:442
2273499210,20cyclictest0-21swapper/221:00:152
2273499210,20cyclictest0-21swapper/219:25:472
2273499210,20cyclictest0-21swapper/219:14:192
2273499210,20cyclictest0-21swapper/200:12:242
22729992119,2cyclictest0-21swapper/123:27:381
22729992119,2cyclictest0-21swapper/121:29:371
22729992118,3cyclictest0-21swapper/100:27:411
2272999210,20cyclictest0-21swapper/120:22:241
2272999210,20cyclictest0-21swapper/119:39:391
2272999210,20cyclictest0-21swapper/119:33:021
2272999210,20cyclictest0-21swapper/100:16:141
2272999210,19cyclictest2288-21munin-run20:45:001
22724992119,1cyclictest749-21snmpd23:34:410
22724992118,3cyclictest0-21swapper/022:59:200
22724992118,2cyclictest749-21snmpd23:04:200
22724992118,2cyclictest749-21snmpd20:25:240
2272499211,1cyclictest15476-21apt-get19:30:020
2272499210,20cyclictest0-21swapper/021:32:250
2272499210,20cyclictest0-21swapper/020:06:000
22734992018,2cyclictest0-21swapper/221:25:042
22734992018,1cyclictest749-21snmpd22:30:412
22734992018,1cyclictest749-21snmpd21:55:012
22734992018,1cyclictest749-21snmpd21:33:102
22734992018,1cyclictest749-21snmpd21:18:462
22734992018,1cyclictest12182-21awk20:25:012
22734992017,3cyclictest0-21swapper/221:44:432
22734992017,2cyclictest749-21snmpd23:41:442
22734992017,2cyclictest749-21snmpd20:47:592
22734992016,3cyclictest0-21swapper/200:26:562
2273499200,2cyclictest0-21swapper/222:38:012
2273499200,20cyclictest0-21swapper/221:35:312
2273499200,19cyclictest0-21swapper/223:12:172
2273499200,19cyclictest0-21swapper/223:12:172
2273499200,19cyclictest0-21swapper/220:26:152
2273499200,19cyclictest0-21swapper/200:30:512
22729992018,2cyclictest0-21swapper/121:36:511
22729992018,2cyclictest0-21swapper/120:31:021
22729992018,2cyclictest0-21swapper/100:21:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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